Table 2

Survival in relation to reason for admission

Reason for admissionPatientsVentilatedNot ventilated
TotalSurvived (%)TotalSurvived (%)
Systemic infection21157  (47)66  (100)
Respiratory infection18166 (38)22 (100)
Neurological1196 (67)21 (50)
Postoperative1588 (100)77 (100)
Tumour mass effect444 (100)
After cardiac arrest331 (33)
Metabolic effects110 (0)
Cardiac tamponade111 (100)
Total745733 (58)1716 (94)